Fix TS errors, remove last loader usage

package.json

@@ -5,7 +5,7 @@
   "main": "dist/server.js",
   "scripts": {
     "start": "NODE_ENV=production node dist/server.js",
-    "build": "rimraf dist && tsc && copyfiles \"src/**/*.*\" -e \"src/**/*.ts\" -u 1 dist",
+    "build": "rimraf dist && tsc -b && copyfiles \"src/**/*.*\" -e \"src/**/*.ts\" -u 1 dist",
     "dev": "LOG_LEVEL=trace ts-node-dev src/server.ts --clear --watch \"src/**/*.ts\" --rs --transpile-only | pino-colada"
   },
   "repository": {

src/middleware/validate-singleton.ts

@@ -10,7 +10,11 @@ import APIError, { ErrorCode } from '../error';
 const validateCollection: RequestHandler = asyncHandler(async (req, res, next) => {
 	if (!req.collection) return next();
 
-	const collectionInfo = await req.loaders.collections.load(req.collection);
+	const collectionInfo = await database
+		.select('single')
+		.from('directus_collections')
+		.where({ collection: req.collection })
+		.first();
 
 	if (!collectionInfo) return next();
 

src/types/express.d.ts

@@ -2,7 +2,7 @@
  * Custom properties on the req object in express
  */
 
-import createSystemLoaders from '../loaders';
+export {};
 
 declare global {
 	namespace Express {
@@ -11,7 +11,6 @@ declare global {
 			user?: string;
 			role?: string;
 			collection?: string;
-			loaders?: ReturnType<typeof createSystemLoaders>;
 		}
 	}
 }